Earlier quoted context omitted.
> only presents the option to capture the full screen Are you sure? I'm pretty sure I had two tabs, one for picking displays and other for picking windows. Pretty much like this: https://bug1675764.bmoattachments.org/attachment.cgi?id=9186...
Looking deeper into it (been meaning to anyways) it seems to be the typical Wayland compositor specific issue, and ironically I'm using ddevault's compositor sway. Pipewire doesn't seem to care what you send it but your second window looks to be part of xdg-desktop-portal-gtk if I'm not mistaken. Since I'm using sway/wlroots I need to use xdg-desktop-portal-wlr instead. In the FAQ for this package: "Will this let me…
https://github.com/emersion/xdg-desktop-portal-wlr/issues/12